Messages in this thread | | | Date | Mon, 25 Jul 2016 21:03:44 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH v9 0/7] Make cpuid <-> nodeid mapping persistent |
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Hello,
On Mon, Jul 25, 2016 at 05:25:49PM -0700, Andrew Morton wrote: > > Yeah, that was one of the early approaches. The issue isn't limited > > to wq. Any memory allocation can have similar issues of underlying > > node association changing and we don't have any synchronization > > mechanism around it. It doesn't make any sense to make NUMA > > association dynamic when the consumer surface is vastly larger and > > there's nothing inherently dynamic about the association itself. > > And other architectures?
No idea but it only matters for NUMA + CPU hotplug combination where a whole node can go empty, which would at most be a few archs.
Thanks.
-- tejun
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